National/World

Astronauts prepping for possible spacewalks

Wednesday, December 18, 2013
Prepping for possible spacewalks NASA suspects bad valve for ISS trouble NASA hopes to avoid emergency spacewalk on ISS Cooling pump on space station shuts down Problem aboard ISS Problem aboard the ISS

NASA could decide by tomorrow if it will need to carry out a number of elaborate spacewalks to repair the cooling issue on the space station.

Astronauts are preparing for possible spacewalks happening as early as this week to make crucial repairs.

They've been working around the clock since last week to figure out the best way to go about it. Last Wednesday, one of the two ammonia cooling systems on the U.S. side of the ISS shut down as soon as it reached its pre-set temperature limits.

Since last week, engineers have been trying to fix the problem remotely from Mission control, trying to regulate the cooling loop affected. At this time, at least two, if not three, spacewalks could happen in the near future.

The first spacewalk is scheduled for this Thursday, December 19. NASA is planning a briefing Tuesday or Wednesday, to announce their final decision.

  • Link to ISS Expedition 38
  • International Space Station updates from NASA
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